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Canadian Thistle - Photo by Erik W. L. Anderson

Canada Thistle Cirsium arvense. (aka Californian thistle, Canadian thistle, creeping thistle, field thistle, corn thistle, and perennial thistle)  Height: 4 feet Flower size: 1/2 inch Flower color: white to pink Origin:  Eurasia - considered invasive


Wednesday, August 30th, 2000 - Report by Lorraine Anderson

Roads traveled: Hwy. 61 to Pigeon Point boat landing (on the Canadian border) then to Hovland boat landing.

Flowers seen:
tansy (Tanacetum vulgare)
pearly everlasting
birdsfoot trefoil
ox-eye daisy
rabbits-foot clover
common sow thistle (Sonchus asper)
orange hawkweed
climbing false buckwheat (Polygonum scandens)
goldenrod (Solidago)
Aster, purple & white (Aster punicceus)
Canada thistle
sweet clover: yellow, white
panicled hawkweed
spotted knapweed
clover: red, white
Evening Primrose
bull thistle
rough cinquefoil (Potentilla norvegica)
jewelweed (touch-me-not)
common burdock (Arctium lappa)
daisy fleabane (Erigeron strigosus)
lesser stitchwort (Stellaria graminea)
pineapple weed
bur-marigold (Bidens)
arrow-leaved tearthumb (Polygonum sagittatum)
butter & eggs (Linaria vulgaris)

Even though they were almost done blooming we spent quite a bit of time identifying and tearing apart wilted blossoms of "campion"
We found that the ones that we were looking at with the larger bladders were Evening lychnis (Lychnis alba), the ones with the smaller bladders were Night flowering catchfly (Silene noctiflora).  We have had this discussion before and the books tell them apart by
the number of styles, but we find them hard to count. Well, next year we can go over this again!

Last week I mentioned that the fall color on the shore was later than the maples inland - well we saw a lot of golden birch and aspen on the shore today.  Some of that may be due to the dry weather we have been having.  Hiking the Superior Hiking trail on Monday we saw a (one) maple in full fall color.  It was beautiful.

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  Be sure to stop back throughout the Summer to see our weekly wildflower reports from Lorraine Anderson of Grand Marais, Minnesota.




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Celebrating Wildflowers
Discuss BWCA Wildflowers 2002 Wildflower List
2001 Wildflower List


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2000 Archives:

September 13

September 6

August 30

August 23

August 16

August 9

August 2

July 26

July 19

July 12

July 5

July 3

June 28

June 21

June 14

June 7

May 31

May 24

May 17

May 10

May 3

2008 Wildflower Reports

August 20th, 2008

August 13th, 2008

August 6th, 2008

July 30th, 2008

July 23rd, 2008

July 16th, 2008

July 6th, 2008

July 1st, 2008

June 25th, 2008

June 18th, 2008

June 11th, 2008

June 4th, 2008

May 28th, 2008

May 21st, 2008

May 14th, 2008



2007 Wildflower Reports

September 5th 2007

August 21st, 2007

August 15th, 2007

August 8th, 2007

August 1st, 2007

July 25th, 2007

July 18th, 2007

July 11th, 2007

July 4th, 2007

June 27th, 2007

June 20th, 2007

June 13th, 2007

June 6th, 2007

May 30th, 2007

May 23rd, 2007

May 16th, 2007

May 9th, 2007

May 2nd, 2007



2006 Wildflower Reports:

August 16th, 2006

August 9th, 2006

August 2nd, 2006

July 26th, 2006

July 19th, 2006

July 12th, 2006

July 5th, 2006

June 21st, 2006

June 28th, 2006

June 14th, 2006

June 7th, 2006

May 31st, 2006

May 24th, 2006

May 17th, 2006

May 10th, 2006

May 3rd, 2006

April 26th, 2006


2005 Wildflower Reports:

August 10th, 2005

August 3rd, 2005

July 27th, 2005

July 20th, 2005

July 13th, 2005

July 6th, 2005

June 29th, 2005

June 22nd 2005

June 15th 2005

June 12th, 2005

June 10th, 2005

June 8th, 2005

June 1, 2005

May 25th, 2005

May 18th, 2005

May 11th, 2005

May 4th, 2005

April 20th, 2005

April 13th, 2005


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